Hyundai Sonata 1999 — technical service bulletin
Bulletin 9901004 · NHTSA communication 6089254 · issued Oct 1, 1999
Technical service bulletin
communication type
Power Train
component
1999
model years
1
vehicle entries
Official summary
This tsb provides instructions for using the hi-scan pro to reprogram the transaxle control module (tcm) in v-6 equipped vehicles with automatic transmissions. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.